// Copyright (c) 2021 Terminus, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package logic

import (
	"testing"

	"github.com/stretchr/testify/assert"
	corev1 "k8s.io/api/core/v1"

	"github.com/erda-project/erda/apistructs"
)

func TestGetDNSPolicy(t *testing.T) {
	testCases := []struct {
		input    apistructs.PodNetwork
		expected corev1.DNSPolicy
	}{
		{
			input: map[string]string{
				"mode": "host",
			},
			expected: corev1.DNSClusterFirstWithHostNet,
		},
		{
			input:    nil,
			expected: "",
		},
	}

	// Run the test cases
	for _, tc := range testCases {
		t.Run("Test GetDNSPolicy", func(t *testing.T) {
			result := GetDNSPolicy(tc.input)
			assert.Equal(t, tc.expected, result)
		})
	}
}
